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Renormalization group invariant mean-field model for QCD at finite isospin density
Bastian B. Brandt, Volodymyr Chelnokov, Gergely Endrodi +3
QCD at nonzero isospin chemical potentials has phenomenological relevance for a series of physical systems and provides an ideal testground for the modeling of dense strongly inter…
Equation of state of isospin asymmetric QCD with small baryon chemical potentials
Bastian B. Brandt, Gergely Endrodi, G. Markó
We extend our measurement of the equation of state of isospin asymmetric QCD to small baryon and strangeness chemical potentials, using the leading order Taylor expansion coefficie…
On electric fields in hot QCD: perturbation theory
Gergely Endrődi, Gergely Markó
We investigate the response of a hot gas of quarks to external electric fields via leading-order perturbation theory. In particular, we discuss how equilibrium is maintained in the…
Pion condensation in the early Universe at nonvanishing lepton flavor asymmetry and its gravitational wave signatures
Volodymyr Vovchenko, Bastian B. Brandt, Francesca Cuteri +3
We investigate the possible formation of a Bose-Einstein condensed phase of pions in the early Universe at nonvanishing values of lepton flavor asymmetries. A hadron resonance gas…
New class of compact stars: Pion stars
Bastian B. Brandt, Gergely Endrodi, Eduardo S. Fraga +3
We investigate the viability of a new type of compact star whose main constituent is a Bose-Einstein condensate of charged pions. Several different setups are considered, where a g…
QCD equation of state at nonzero magnetic fields in the Hadron Resonance Gas model
Gergely Endrodi
The Hadron Resonance Gas (HRG) model is considered to study the QCD equation of state for the case of nonzero external magnetic fields. Thermodynamic observables including the pres…